* - levels : the number of hash levels (and digits)
* - repeat : hash subdirectories are prefixed with all the
* parent hash directory names (e.g. "a/ab/abc")
- * - cacheAuthInfo : Whether to cache authentication tokens in APC/XCache.
+ * - cacheAuthInfo : Whether to cache authentication tokens in APC, XCache, ect.
+ * If those are not available, then the main cache will be used.
* This is probably insecure in shared hosting environments.
*/
public function __construct( array $config ) {
$this->connContainerCache = new ProcessCacheLRU( 300 );
// Cache auth token information to avoid RTTs
if ( !empty( $config['cacheAuthInfo'] ) ) {
- try { // look for APC, XCache, WinCache, ect...
- $this->srvCache = ObjectCache::newAccelerator( array() );
- } catch ( Exception $e ) {}
+ if ( php_sapi_name() === 'cli' ) {
+ $this->srvCache = wfGetMainCache(); // preferrably memcached
+ } else {
+ try { // look for APC, XCache, WinCache, ect...
+ $this->srvCache = ObjectCache::newAccelerator( array() );
+ } catch ( Exception $e ) {}
+ }
}
$this->srvCache = $this->srvCache ? $this->srvCache : new EmptyBagOStuff();
}
return false;
}
+ /**
+ * @param $disposition string Content-Disposition header value
+ * @return string Truncated Content-Disposition header value to meet Swift limits
+ */
+ protected function truncDisp( $disposition ) {
+ $res = '';
+ foreach ( explode( ';', $disposition ) as $part ) {
+ $part = trim( $part );
+ $new = ( $res === '' ) ? $part : "{$res};{$part}";
+ if ( strlen( $new ) <= 255 ) {
+ $res = $new;
+ } else {
+ break; // too long; sigh
+ }
+ }
+ return $res;
+ }
+
/**
* @see FileBackendStore::doCreateInternal()
* @return Status
if ( !strlen( $obj->content_type ) ) { // special case
$obj->content_type = 'unknown/unknown';
}
+ // Set the Content-Disposition header if requested
+ if ( isset( $params['disposition'] ) ) {
+ $obj->headers['Content-Disposition'] = $this->truncDisp( $params['disposition'] );
+ }
if ( !empty( $params['async'] ) ) { // deferred
- $handle = $obj->write_async( $params['content'] );
- $status->value = new SwiftFileOpHandle( $this, $params, 'Create', $handle );
- $status->value->affectedObjects[] = $obj;
+ $op = $obj->write_async( $params['content'] );
+ $status->value = new SwiftFileOpHandle( $this, $params, 'Create', $op );
+ if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
+ $status->value->affectedObjects[] = $obj;
+ }
} else { // actually write the object in Swift
$obj->write( $params['content'] );
- $this->purgeCDNCache( array( $obj ) );
+ if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
+ $this->purgeCDNCache( array( $obj ) );
+ }
}
} catch ( CDNNotEnabledException $e ) {
// CDN not enabled; nothing to see here
if ( !strlen( $obj->content_type ) ) { // special case
$obj->content_type = 'unknown/unknown';
}
+ // Set the Content-Disposition header if requested
+ if ( isset( $params['disposition'] ) ) {
+ $obj->headers['Content-Disposition'] = $this->truncDisp( $params['disposition'] );
+ }
if ( !empty( $params['async'] ) ) { // deferred
wfSuppressWarnings();
$fp = fopen( $params['src'], 'rb' );
if ( !$fp ) {
$status->fatal( 'backend-fail-copy', $params['src'], $params['dst'] );
} else {
- $handle = $obj->write_async( $fp, filesize( $params['src'] ), true );
- $status->value = new SwiftFileOpHandle( $this, $params, 'Store', $handle );
+ $op = $obj->write_async( $fp, filesize( $params['src'] ), true );
+ $status->value = new SwiftFileOpHandle( $this, $params, 'Store', $op );
$status->value->resourcesToClose[] = $fp;
- $status->value->affectedObjects[] = $obj;
+ if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
+ $status->value->affectedObjects[] = $obj;
+ }
}
} else { // actually write the object in Swift
$obj->load_from_filename( $params['src'], true ); // calls $obj->write()
- $this->purgeCDNCache( array( $obj ) );
+ if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
+ $this->purgeCDNCache( array( $obj ) );
+ }
}
} catch ( CDNNotEnabledException $e ) {
// CDN not enabled; nothing to see here
// (b) Actually copy the file to the destination
try {
$dstObj = new CF_Object( $dContObj, $dstRel, false, false ); // skip HEAD
+ $hdrs = array(); // source file headers to override with new values
+ if ( isset( $params['disposition'] ) ) {
+ $hdrs['Content-Disposition'] = $this->truncDisp( $params['disposition'] );
+ }
if ( !empty( $params['async'] ) ) { // deferred
- $handle = $sContObj->copy_object_to_async( $srcRel, $dContObj, $dstRel );
- $status->value = new SwiftFileOpHandle( $this, $params, 'Copy', $handle );
- $status->value->affectedObjects[] = $dstObj;
+ $op = $sContObj->copy_object_to_async( $srcRel, $dContObj, $dstRel, null, $hdrs );
+ $status->value = new SwiftFileOpHandle( $this, $params, 'Copy', $op );
+ if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
+ $status->value->affectedObjects[] = $dstObj;
+ }
} else { // actually write the object in Swift
- $sContObj->copy_object_to( $srcRel, $dContObj, $dstRel );
- $this->purgeCDNCache( array( $dstObj ) );
+ $sContObj->copy_object_to( $srcRel, $dContObj, $dstRel, null, $hdrs );
+ if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
+ $this->purgeCDNCache( array( $dstObj ) );
+ }
}
} catch ( CDNNotEnabledException $e ) {
// CDN not enabled; nothing to see here
try {
$srcObj = new CF_Object( $sContObj, $srcRel, false, false ); // skip HEAD
$dstObj = new CF_Object( $dContObj, $dstRel, false, false ); // skip HEAD
+ $hdrs = array(); // source file headers to override with new values
+ if ( isset( $params['disposition'] ) ) {
+ $hdrs['Content-Disposition'] = $this->truncDisp( $params['disposition'] );
+ }
if ( !empty( $params['async'] ) ) { // deferred
- $handle = $sContObj->move_object_to_async( $srcRel, $dContObj, $dstRel );
- $status->value = new SwiftFileOpHandle( $this, $params, 'Move', $handle );
+ $op = $sContObj->move_object_to_async( $srcRel, $dContObj, $dstRel, null, $hdrs );
+ $status->value = new SwiftFileOpHandle( $this, $params, 'Move', $op );
$status->value->affectedObjects[] = $srcObj;
- $status->value->affectedObjects[] = $dstObj;
+ if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
+ $status->value->affectedObjects[] = $dstObj;
+ }
} else { // actually write the object in Swift
- $sContObj->move_object_to( $srcRel, $dContObj, $dstRel );
- $this->purgeCDNCache( array( $srcObj, $dstObj ) );
+ $sContObj->move_object_to( $srcRel, $dContObj, $dstRel, null, $hdrs );
+ $this->purgeCDNCache( array( $srcObj ) );
+ if ( !empty( $params['overwrite'] ) ) { // file possibly mutated
+ $this->purgeCDNCache( array( $dstObj ) );
+ }
}
} catch ( CDNNotEnabledException $e ) {
// CDN not enabled; nothing to see here
$sContObj = $this->getContainer( $srcCont );
$srcObj = new CF_Object( $sContObj, $srcRel, false, false ); // skip HEAD
if ( !empty( $params['async'] ) ) { // deferred
- $handle = $sContObj->delete_object_async( $srcRel );
- $status->value = new SwiftFileOpHandle( $this, $params, 'Delete', $handle );
+ $op = $sContObj->delete_object_async( $srcRel );
+ $status->value = new SwiftFileOpHandle( $this, $params, 'Delete', $op );
$status->value->affectedObjects[] = $srcObj;
} else { // actually write the object in Swift
$sContObj->delete_object( $srcRel );
$status = Status::newGood();
$scopeLockS = $this->getScopedFileLocks( array( $path ), LockManager::LOCK_UW, $status );
if ( $status->isOK() ) {
- # Do not stat the file in getLocalCopy() to avoid infinite loops
- $tmpFile = $this->getLocalCopy( array( 'src' => $path, 'latest' => 1, 'nostat' => 1 ) );
+ $tmpFile = $this->getLocalCopy( array( 'src' => $path, 'latest' => 1 ) );
if ( $tmpFile ) {
$hash = $tmpFile->getSha1Base36();
if ( $hash !== false ) {
/**
* @see FileBackend::getFileContents()
- * @return bool|null|string
+ * @return bool|string
*/
public function getFileContents( array $params ) {
list( $srcCont, $srcRel ) = $this->resolveStoragePathReal( $params['src'] );
return false; // invalid storage path
}
- if ( !$this->fileExists( $params ) ) {
- return null;
- }
-
$data = false;
try {
$sContObj = $this->getContainer( $srcCont );
$obj = new CF_Object( $sContObj, $srcRel, false, false ); // skip HEAD
$data = $obj->read( $this->headersFromParams( $params ) );
} catch ( NoSuchContainerException $e ) {
+ } catch ( NoSuchObjectException $e ) {
} catch ( CloudFilesException $e ) { // some other exception?
$this->handleException( $e, null, __METHOD__, $params );
}
$output = fopen( 'php://output', 'wb' );
$obj = new CF_Object( $cont, $srcRel, false, false ); // skip HEAD
$obj->stream( $output, $this->headersFromParams( $params ) );
+ } catch ( NoSuchObjectException $e ) {
+ $status->fatal( 'backend-fail-stream', $params['src'] );
} catch ( CloudFilesException $e ) { // some other exception?
$this->handleException( $e, $status, __METHOD__, $params );
}
return null;
}
- # Check the recursion guard to avoid loops when filling metadata
- if ( empty( $params['nostat'] ) && !$this->fileExists( $params ) ) {
- return null;
- }
-
+ // Blindly create a tmp file and stream to it, catching any exception if the file does
+ // not exist. Also, doing a stat here will cause infinite loops in addMissingMetadata().
$tmpFile = null;
try {
$sContObj = $this->getContainer( $srcCont );
// Get source file extension
$ext = FileBackend::extensionFromPath( $srcRel );
// Create a new temporary file...
- $tmpFile = TempFSFile::factory( wfBaseName( $srcRel ) . '_', $ext );
+ $tmpFile = TempFSFile::factory( 'localcopy_', $ext );
if ( $tmpFile ) {
$handle = fopen( $tmpFile->getPath(), 'wb' );
if ( $handle ) {
}
} catch ( NoSuchContainerException $e ) {
$tmpFile = null;
+ } catch ( NoSuchObjectException $e ) {
+ $tmpFile = null;
} catch ( CloudFilesException $e ) { // some other exception?
$tmpFile = null;
$this->handleException( $e, null, __METHOD__, $params );
return $this->conn;
}
+ /**
+ * Close the connection to the Swift proxy
+ *
+ * @return void
+ */
+ protected function closeConnection() {
+ if ( $this->conn ) {
+ $this->conn->close(); // close active cURL handles in CF_Http object
+ $this->sessionStarted = 0;
+ $this->connContainerCache->clear();
+ }
+ }
+
/**
* Get the cache key for a container
*
}
if ( $e instanceof InvalidResponseException ) { // possibly a stale token
$this->srvCache->delete( $this->getCredsCacheKey( $this->auth->username ) );
+ $this->closeConnection(); // force a re-connect and re-auth next time
}
wfDebugLog( 'SwiftBackend',
get_class( $e ) . " in '{$func}' (given '" . FormatJson::encode( $params ) . "')" .